package com.simtop.service.impl;


import com.simtop.dao.GroupByMapper;
import com.simtop.service.GroupByService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class GroupByServiceImpl implements GroupByService{

    @Autowired
    private GroupByMapper groupByMapper;



}
